{Jack pot} (Poker Playing), the name given to the stakes,
contributions to which are made by each player
successively, till such a hand is turned as shall take the
``pot,'' which is the sum total of all the bets. See also
{jackpot}.

{Jack rabbit} (Zo["o]l.), any one of severalspecies of large
American hares, having very large ears and long legs. The
California species ({Lepus Californicus}), and that of
Texas and New Mexico ({Lepus callotis}), have the tail
black above, and the ears black at the tip. They do not
become white in winter. The morenorthernprairie hare
({Lepus campestris}) has the upper side of the tail white,
and in winter its fur becomes nearly white.

{Jack-by-the-hedge} (Bot.), a plant of the genus {Erysimum}
({Erysimum alliaria}, or {Alliaria officinalis}), which
grows under hedges. It bears a white flower and has a
taste not unlike garlic. Called also, in England,
{sauce-alone}. --Eng. Cyc.

jack — ► NOUN 1) a device for lifting heavy objects. 2) a playing card bearing a representation of a soldier, page, or knave, normally ranking next below a queen. 3) (also jack socket) a socket designed to receive a jack plug. 4) the small white ball at … English terms dictionary

Jack — Jack, n. [Named from its resemblance to a jack boot.] A pitcher or can of waxed leather; called also {black jack}. [Obs.] Dryden. [1913 Webster] … The Collaborative International Dictionary of English